Why do you think the winter layers are darker than the summer layers in the ice core?
Screen shot is included
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Answer:
Why do you think the winter layers are darker than the summer layers in the ice core? The winter layers are darker than the summer layers because little snow falls in the winter. ... The summer layers are lighter because the snow that falls in the summer is cleaner; there are fewer particles caught in the snowfalls.
Explanation:
You can put it in your own words if you want. Hope this helps!
The winter layers are darker than the summer layers in the ice core because the summer snow is less tightly packed with particulate matter, therefore, it is brighter while the winter snow is more tightly packed due to the compaction and therefore it is darker.
What do you mean by Ice core?Ice core may be defined as a structure of ice in a cylindrical shape which are plugged from the ice sheets or glaciers.
In winter, the snow that falls on the earth's surface is mixed with the more particulate matter due to compaction and hence it looks more darker as compared to summer snow.
Therefore, it is well described above.
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Related Questions
Why is mitosis necessary during the development of a human?
Answers
Answer:
Mitosis is a way of making more cells that are genetically the same as the parent cell. It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged.
Explanation:
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Which of these would most likely happen if Earth stops revolving around the sun but continues rotating on its axis?
A. only summers in the northern hemisphere
B. only summers in the southern hemisphere
C. no seasons in any part of Earth
D. two seasons in every part of Earth
Answers
This food chain shows the interactions between organisms found in a pond ecosystem.
Algae -Water Boatman - Diving Beetle - Frog - Heron
Which organism would be affected first if algae was removed from the ecosystem?
diving beetle
frog
heron
water boatman
Answers
Which form of evidence for evolution was not available to Darwin in 1858?
A. The fossil record
B. Comparative anatomy
OC. DNA evidence
D. Artificial selection
Answers
Don’t hate me if I am wrong :,)
What are the effects of an asteroid collision and how can we prevent one in the future ?
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DNA: TAC TTT AAA CCG GGC ATC
mRNA:
Amino acids: HELP PLEASE
Answers
Answer: ATG AAA TTT GGC CCG TAG
I cannot tell you the amino acids because I don't see the table, but there is your code
Explanation:
During which phase does DNA replication occur?
A. Metaphase
B. Anaphase
C. Prophase
D. Interphase
Answers
Explanation:
interphase
During which phase does DNA replication occur?
Answer:
D is correct
Explanation:
my sister lives with my parents into negative
Answers
Answer:
My sister does not live with my parents
Stacy wants to measure the rate of photosynthesis for her plant. Before she can begin, she needs to determine what key variable she should measure.
Which of the following questions should Stacy ask in order to determine the rate of photosynthesis in her plant?
Answers
Answer:C
Explanation:
If you don’t believe me look up “ what is needed to determine the rate of photosynthesis in a plant” hope I helped
When can a solar eclipse occur
Answers
Answer: when their is a new moon
Explanation:
Total solar eclipses happen when the Moon completely covers the Sun, and it can only take place when the Moon is near perigee, the point of the Moon's orbit closest to Earth. You can only see a total solar eclipse if you're in the path where the Moon casts its darkest shadow, the umbra.
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Answers
Answer:
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Answers
B
Explanation:
Every frog no matter the species if in the same ecosystem is considered part of the same population because no matter if it’s a male/female or has spots or not and etc it’s still a frog.
Think about all of the beneficial
adaptations that allow humans
to thrive on Earth. Identify
and explain 3 of these
adaptations.
Answers
Answer: Supplementary angles are two angles whose sum is 180 degrees while complementary angles are two angles whose sum is 90 degrees. Supplementary and complementary angles do not have to be adjacent (sharing a vertex and side, or next to), but they can be. ... The same is true for complementary angles.
c) Taxol is a cancer medication that makes the structures in the cytoskeleton
more stable. This makes it harder for cells to form mitotic spindles. Why would
this be effective when fighting a tumor? (1 point)
Answers
Answer:
Explanation:
Taxol will be effective because it stops the uncontrollable cell division of cancerous cells. It makes it very difficult for cells form mitotic spindles and hence will make it very hard for the DNA to be divided. This will then stop division and causes it to die.
Can someone please put this in there own words?
Thank you.
For example, plasma membrane proteins carry out functions as diverse as ferrying nutrients across the plasma membrane, receiving chemical signals from outside the cell, translating chemical signals into intracellular action, and sometimes anchoring the cell in a particular location.
Answers
Answer:
All cells have plasma membranes. Can molecules enter and leave the cell? Yes. The plasma membrane (also called the cell membrane), is a lipid barrier where molecule organelles live. The golgi ( a cell organelle) helps move the proteins across the plasma membarane. Proteins cannot move through the plasma membrane barrier by themselves because they are not small enough like water.
Explanation:
Hope this helps. :) P.S. Can I be marked brainliest . . . ? :)
6. Phylogenetic trees are used for?
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Phylogenetic trees show the evolutionary pathways and connections among organisms. A phylogenetic tree is a diagram used to reflect evolutionary relationships among organisms or groups of organisms.
which of the following is true about macromolecules
Answers
Answer:
i think A
Explanation:
A macromolecule is a very large molecule, such as a protein. They are composed of thousands of covalently bonded atoms. Many macromolecules are the polymerization of smaller molecules called monomers.
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The statement that is true as regards macromolecule is Amino acid are bonded together to make a protein.
What are macromolecule?macromolecule can be regarded as the big molecules which are the composition of smaller molecules.
For instance, very large molecule, such as a protein or carbohydrates.
Learn more about macromolecule at;
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A frog that is native to the rainforests of Central America is a member of the genus agalychnis. This genus is part of the hylidae family, and this specific frog belongs to the species callidryas.
What is the scientific name for this frog?
Answers
Upon close examination of the skeleton of an adult python, a pelvic girdle and leg bones can be
observed. These features are an example of
a. artificial selection
b. homologous structures
C. vestigial structures
d. comparative embryology
Answers
Answer:
vestigial structure that is C
Which of the graphics best represents an animal cell?
ОА
ОВ
Answers
Answer:
a
Explanation:
b is a plant cell. animal cells do not contain a cell wall.
Answer:
A
Explanation:
Plant cells are green due to chlorphyll. They also have more box-like structures in order to be stable. Animal cells do not have these characteristics, so the answer is A.
Explain how the disruption can disturb the cycling of carbon ?
Answers
Answer:
Humans have breached this cycle by digging up fossil fuels and burning them, leading to carbon dioxide building up in the atmosphere faster than natural systems can soak it up. This has led to a net increase in greenhouse gases in the atmosphere, causing the planet to heat up.
Explanation:
True or false : Variations are different heritable traitu
Answers
Answer:
false
. is the correct answer
what is a carbon pool and give some examples of these pools
NEED HELP ASAP ❗️❗️❗️
Answers
Answer:
Carbon pools are reservoirs of carbon that have the capacity to both take in and release carbon.There are four very broad global carbon pools which encompass many complex systems which will be discussed on this page. Each of these pools exchange carbon with one another, known as carbon fluxes, comprising what is known as the global carbon cycle.
Explanation:
the Terrestrial ecosystems is a carbon pool and The atmosphere is one to also the ocean really hope this helps
4. Many of your body’s responses operate off of either negative or positive feedback loops. When you are cold, you shiver. Explain why that happens.
Answers
Answer:
The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose. If these values get too high or low, you can end up getting very sick.
Homeostasis is maintained at many levels, not just the level of the whole body as it is for temperature. For instance, the stomach maintains a pH that's different from that of surrounding organs, and each individual cell maintains ion concentrations different from those of the surrounding fluid. Maintaining homeostasis at each level is key to maintaining the body's overall function.
Explanation:
shivering burns fat to help keep one warm
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points. In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
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can someone help me fill this out?
Answers
Answer:
I Feel Bad For You My Dude
Electrons move H+
H+ reacts with O2 and electrons to form H2O
ATP synthase moves H+ to make ATP.
Other guy who answered is a weanie.
2.
reproduction produces offspring with a mixture of the parent's traits.
a. Sexual
b. Asexual
C. Mixture
d. Budding
Answers
Answer:
a. Sexual
Explanation:
How would you classify this organism based on the dichotomous key?
Select one:
A. Kingdom Plantae
B. Viruses
C. Kingdom Eubacteria
D. Kingdom Protista
Answers
Answer:
1. Kingdom Plantae
Explanation:
Example Dichotomous Key
Example objects to identify: apple tree, water-lily, fir tree, dandelion, astroturf, seaweed. Dichotomous keys may be simple or complex depending on what is being identified.
Which of the following human activities reduces the level of
ozone in the atmosphere?
a. Using artificial lighting in scientific polar stations
b. Using large banks of solar cells for energy production
c. Releasing chlorofluorocarbons from aerosol cans
d. Destroying large areas of the equatorial rain forests
Answers
The following human activities reduces the level of ozone in the atmosphere is Releasing chlorofluorocarbons from aerosol cans.
Thus, option "C" is correct answer.
What is a definition of atmosphere?An atmosphere is the layers of gases covering a planet or other heavenly body.
Earth's atmosphere is made up of about 78% nitrogen, 21% oxygen, and 1 percent other gases.
Thus, option "C" is correct answer.
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Squirrels and birds feed on insects in a forest. Mild temperature and high humidity favors growth of insects.
What will be the effect of decreased humidity on the forest ecosystem?
A.
Population of insects will increase in the forest.
B.
Population of birds will increase in the forest ecosystem.
C.
Competition will increase between squirrels and birds for food.
D.
Squirrels will get more adapted to the changed environmental conditions
Answers
Answer:
competition will increase between squirrels and birds for food.
Global economic development has led to an increase in the use of fossil fuels
worldwide. Which of the following would be the best solution to this global
economic problem?
A. Encouraging developing countries to participate in global trade
B. Establishing international agreements to prevent overfishing
C. Forming strict regulations on greenhouse gas emissions
D. Creating an international seed bank to protect biodiversity
SUBMIT
Answers
Answer: C
Explanation: I think it’s C because there were like strict regulations on greenhpuse gas emissions.